package com.dengdai.applibrary.widgets.custom;

import android.content.Context;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.widget.ScrollView;

/**
 * @说明
 * @作者 LY
 * @时间 16/5/26 14:41
 * @邮箱 2743569843@qq.com
 * @版权 Copyright(c) 2016 LY-版权所有
 * @备注
 */
public class CustomScrollView extends ScrollView {
    private GestureDetector mGestureDetector;

    public CustomScrollView(Context context, AttributeSet attrs) {
        super(context, attrs);
        mGestureDetector = new GestureDetector(context, new YScrollDetector());
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent ev) {
        return super.onInterceptTouchEvent(ev) && mGestureDetector.onTouchEvent(ev);
    }

    class YScrollDetector extends GestureDetector.SimpleOnGestureListener {

        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
            return (Math.abs(distanceY) > Math.abs(distanceX));
        }
    }
}
